Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/70-15 | 215/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.95 (710) | 26.85 (682) | -1.1 (-28) -3.9% |
| Width inches (mm) | 9.25 (235) | 8.46 (215) | -0.79 (-20) -8.5% |
| Circum. inches (mm) | 87.82 (2230.53) | 84.35 (2142.57) | -3.46 (-87.96) -3.9% |
| Sidewall Height inches (mm) | 6.48 (164.5) | 5.93 (150.5) | -0.55 (-14) -8.5% |
| Revolutions per mile (km) | 721.51 (448.32) | 751.13 (466.73) | 29.62 (18.41) 4.1% |
215/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.21 mph (30.92 km/h) |
| 25 mph (40.23 km/h) | 24.01 mph (38.65 km/h) |
| 30 mph (48.28 km/h) | 28.82 mph (46.38 km/h) |
| 35 mph (56.33 km/h) | 33.62 mph (54.11 km/h) |
| 40 mph (64.37 km/h) | 38.42 mph (61.84 km/h) |
| 45 mph (72.42 km/h) | 43.23 mph (69.56 km/h) |
| 50 mph (80.47 km/h) | 48.03 mph (77.29 km/h) |
| 55 mph (88.51 km/h) | 52.83 mph (85.02 km/h) |
| 60 mph (96.56 km/h) | 57.63 mph (92.75 km/h) |
| 65 mph (104.61 km/h) | 62.44 mph (100.48 km/h) |
| 70 mph (112.65 km/h) | 67.24 mph (108.21 km/h) |
| 75 mph (120.7 km/h) | 72.04 mph (115.94 km/h) |
| 80 mph (128.75 km/h) | 76.85 mph (123.67 km/h) |
| 85 mph (136.79 km/h) | 81.65 mph (131.4 km/h) |
| 90 mph (144.84 km/h) | 86.45 mph (139.13 km/h) |
| 95 mph (152.89 km/h) | 91.25 mph (146.86 km/h) |
| 100 mph (160.93 km/h) | 96.06 mph (154.59 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1911 | 2221 | 2391 | 2497 | 2611 | 2692 | 2782 | 2888 | 3034 | 3180 | 3343 | 3473 | 3709 | 3969 | 4173 | 4303 | 4376 | 4644 | 5019 | 5832 |
Better Fuel Economy Factory Ratios Increased Power
